Finding the Fourth Proportional to 201,775.24, 278,203.12 and 126,192.52
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Solution
The fourth proportional to 201,775.24, 278,203.12 and 126,192.52 is: 173,991.38
Step by Step Solution
- Step 1: Write the proportion equation
201,775.24 : 278,203.12 = 126,192.52 : x - Step 2: Convert to fraction form
201,775.24/278,203.12 = 126,192.52/x - Step 3: Cross multiply
201,775.24x = 278,203.12 × 126,192.52 - Step 4: Simplify right side
201,775.24x = 35,107,152,784.66 - Step 5: Solve for x
x = 35,107,152,784.66/201,775.24 - Step 6: Final answer
x = 173,991.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.